AirHint found the following cheapest return flights from Hanoi (HAN) to Singapore (SIN) in October 2025 (see full year).

Return flights

28 Oct - 29 Oct	VietJet Air
29 Oct - 05 Nov	VietJet Air
22 Oct - 26 Oct	VietJet Air
29 Oct - 30 Oct	VietJet Air
29 Oct - 05 Nov	Scoot	direct
16 Oct - 23 Oct	VietJet Air
17 Oct - 21 Oct	Scoot
19 Oct - 24 Oct	VietJet Air
16 Oct - 21 Oct	Scoot
09 Oct - 14 Oct	Vietravel Airlines
28 Oct - 30 Oct	VietJet Air
17 Oct - 31 Oct	Scoot	direct
30 Oct - 03 Nov	Vietnam Airlines	direct
30 Oct - 06 Nov	VietJet Air
29 Oct - 11 Nov	Thai AirAsia
29 Oct - 12 Nov	Thai AirAsia
29 Oct - 10 Nov	Thai AirAsia
30 Oct - 11 Nov	Thai AirAsia
30 Oct - 12 Nov	Thai AirAsia
30 Oct - 10 Nov	Thai AirAsia

Also check the deals for one-way flights from Hanoi to Singapore in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Hanoi to Singapore in October from 139€

Return flights